CN105297262A - Water injector in Hydraulic loom - Google Patents
Water injector in Hydraulic loom Download PDFInfo
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- CN105297262A CN105297262A CN201510410686.6A CN201510410686A CN105297262A CN 105297262 A CN105297262 A CN 105297262A CN 201510410686 A CN201510410686 A CN 201510410686A CN 105297262 A CN105297262 A CN 105297262A
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Abstract
Without changing the spring constant of a helical spring, the pressure gradient for pressure water can be changed. A driving arm (13), a plunger arm (14) and an installation arm (15) of the helical spring (23) are fixed on a rotation axis (12). A maintenance piece (24) at one end is used for maintaining the helical spring (23) and is fixed on the installation arm (15) by means of a bolt (25). A bar (28) at the other end is always fixed on a bracket (29) by means of nuts (30, 31). The helical spring (23) can changed to each installation position for the scales (S1-S4) of the installation arm (15) by loosening the bolt (25). The length (L3) to the scale (S3), and each length to the scales (S1, S2, S4) is different so that the variation of the force applied to a plunger (10) and the pressure gradient of the pressure water change according to the installation position of the helical spring (23). Therefore, without changing the spring constant, the pressure gradient for the pressure water supplied to a wefting insertion nozzle (5) can be changed.
Description
Technical field
The present invention relates to the water injector in a kind of water jet looms possessing the pump supplied to Weft insertion nozzle by pressure (hydraulic) water.
Background technology
In water jet looms, according to the kind of weft yarn, the difference of the well-adjusted or maladjustment of weft yarn in wefting insertion (Woof enters れ) and pressure (hydraulic) water can be produced.The weft yarn being difficult to adapt to pressure (hydraulic) water is difficult to be held in pressure (hydraulic) water, easily produces wefting insertion and postpones, so be necessary the barometric gradient of the pressure (hydraulic) water reduced in wefting insertion, carry out wefting insertion in the mode of the elevated pressures state of persistent pressure water.Otherwise the weft yarn being easy to adapt to pressure (hydraulic) water is easy to be held in pressure (hydraulic) water, so when barometric gradient is less, easily produce weft yarn damaged, so be necessary to increase barometric gradient, weaken the pressure relative to the weft yarn in wefting insertion in early days.
In water jet looms, the hydraulic pressure of the pressure (hydraulic) water supplied from the pump of water injector to Weft insertion nozzle, in wefting insertion, reduces gradually from the highest initial hydraulic pressure, and the ratio of this reduction is barometric gradient.Barometric gradient depends on the value of helical spring spring constant divided by the sectional area of the plunger of pump.Therefore, in the past as the method for the barometric gradient of change pressure (hydraulic) water, general method was in water injector, prepare the different multiple helical springs of spring constant, and the corresponding weft yarn used, all changes the different helical spring of spring constant at every turn.In addition, also have following method: such as patent document 1, on the draft helical spring of pressure (hydraulic) water feedway being arranged at water jet looms, spring constant change device is set, is not changing in helical spring situation, change spring constant.
In the pressure (hydraulic) water feedway of patent document 1, be provided with three fork arms, plunger displacement pump, pump driving cam and the draft helical spring that can rotate centered by fixed axis.1st arm of three fork arms is linked to the plunger of plunger displacement pump via connecting rod, the 2nd arm is linked to pump driving cam by the cam follower being arranged at end, and the 3rd arm is linked to draft helical spring.The threaded one end of draft helical spring is engaged in the threaded connection of keeper, and described keeper is installed on the 3rd arm by pin, and the other end of draft helical spring threadingly engages in the threaded connection of bolt.Threadingly engage in the pillar that the through framework from loom of bolt of the other end of extension spring is outstanding, be fixed on pillar by two nuts.
The threaded connection of bolt, by being loosened by nut, by bolt to the right or anticlockwise, changes the screw-in position relative to draft helical spring, changes the effective length of draft helical spring, can change the spring constant of draft helical spring.Therefore, the threaded connection threadingly engaging in the bolt of the other end of draft helical spring forms spring constant change device.In addition, loosen nut, moves up and down by bolt, changes the fixed position of the bolt relative to pillar, can change the initial load of draft helical spring.
The pressure (hydraulic) water feedway of patent document 1, by the rotation of bolt, changes the threaded connection of bolt and the thread engaging position of draft helical spring, can change the spring constant of draft helical spring.Therefore, in the pressure (hydraulic) water feedway of patent document 1, by possessing spring constant change device, when not changing draft helical spring, wefting insertion can be carried out by the pressure (hydraulic) water of the supply hydraulic pressure characteristic (being equivalent to barometric gradient) with corresponding weft yarn kind.
Patent document 1: Japanese Unexamined Patent Publication 63-85683 publication.
The general spring constant variation adopted must prepare the different helical spring of multiple spring constant in the past, needed helical spring storage space for subsequent use, and in addition, helical spring keeping managerial demand spends a large amount of labour.
Patent document 1 must arrange large-scale spring constant change device, complex structure in pressure (hydraulic) water feedway, in spring constant change operation, need a large amount of labour.In addition, draft helical spring is configured to by keeping with being threadedly engaged of threaded connection, described threaded connection is formed at the head of the bolt forming spring constant change device, so following possibility can be there is: along with the use of spring constant change device, due to the load in the running of water jet looms, the combination of draft helical spring and threaded connection relaxes, and produces and departs from, the spring constant set is changed at thread engaging position.
Summary of the invention
The object of the invention is, when not changing helical spring spring constant, the barometric gradient of pressure (hydraulic) water can be changed.
Technical scheme 1 is the water injector in a kind of water jet looms, described water injector possesses the pump being connected to tank and Weft insertion nozzle by water passage, by driver part, the plunger of aforementioned pump is driven to reach direction, suck the water of aforementioned tank, aforementioned plunger is moved direction driving by power backward that store by helical spring, pressure (hydraulic) water is supplied to aforementioned Weft insertion nozzle, carries out wefting insertion by the pressure (hydraulic) water sprayed from aforementioned Weft insertion nozzle, it is characterized in that
The hold-down arm being linked to the actuating arm of aforementioned driver part, the plunger arm being linked to aforementioned plunger and said spiral spring is arranged to rotate integratedly relative to same axle center, by changing from aforementioned axle center to the length of the application point of said spiral spring, change the barometric gradient of the pressure (hydraulic) water sprayed from aforementioned Weft insertion nozzle.
According to technical scheme 1, by changing from axle center to the length of the application point of said spiral spring, the barometric gradient of the pressure (hydraulic) water supplied from pump to Weft insertion nozzle can be set to different states simply.Consequently, can with the use of the kind of weft yarn set optimal barometric gradient simply, by the injection with the pressure (hydraulic) water of optimal barometric gradient, wefting insertion is carried out to weft yarn.
The feature of technical scheme 2 is, described water injector is configured to, and by being arranged to move on the length direction of described hold-down arm by described helical spring application point, carries out the change from described axle center to the length of described helical spring application point.According to technical scheme 2, change hold-down arm relative to helical spring installation site, the length from the axle center of hold-down arm to helical spring application point can be changed.Therefore, the change of the barometric gradient of pressure (hydraulic) water is simpler.
The feature of technical scheme 3 is, the installed surface of described hold-down arm is formed as arc surface, and described installed surface installs described helical spring.According to technical scheme 3, even if change helical spring installation site, helical spring characteristic does not also change, so the adjustment of helical spring position is easier to, and can simply and carry out the change of barometric gradient exactly.
The feature of technical scheme 4 is, on aforementioned hold-down arm, forms multiple scales of the installation site representing said spiral spring.According to technical scheme 4, by forming multiple scales of corresponding multiple barometric gradient on hold-down arm, the adjustment of helical spring installation site easily can be carried out.
The feature of technical scheme 5 is, possesses the spring pressure guiding mechanism changing aforementioned helical spring initial load.According to technical scheme 5, the highest hydraulic pressure of the pressure (hydraulic) water of injection can be changed simply, easily can obtain the highest hydraulic pressure of applicable weft yarn and weaving width.
The feature of technical scheme 6 is, aforementioned actuating arm, aforementioned plunger arm and aforementioned hold-down arm are made up of three yokes being fixed on rotating shaft, aforementioned driver part is made up of the cam of the drop had from peak to minimum point, and said spiral spring is made up of extension spring.According to technical scheme 6, the water injector that can set the barometric gradient of pressure (hydraulic) water simply can be realized with the simplest structure.
The present invention, when not changing helical spring spring constant, can change the barometric gradient of pressure (hydraulic) water.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of the water injector representing the 1st embodiment.
Fig. 2 is the skeleton diagram of water injector when representing plunger advancement.
Fig. 3 is the skeleton diagram of the water injector after changing barometric gradient.
Fig. 4 is the skeleton diagram of the water injector after changing helical spring initial load.
Fig. 5 represents the performance plot of pressure (hydraulic) water, and (A) is the performance plot of the barometric gradient representing pressure (hydraulic) water, and (B) is performance plot when having changed helical spring initial load.
Fig. 6 is the skeleton diagram of the water injector representing the 2nd embodiment.
Detailed description of the invention
(the 1st embodiment)
According to Fig. 1 ~ Fig. 5, the 1st embodiment is described.Fig. 1 represents the water injector 1 in water jet looms.The pump 2 forming a part for water injector 1 is connected with tank 3 by water passage 4, is connected with Weft insertion nozzle 5 by water passage 6.Arrange check-valves 7 at the entrance side of the pump 2 be connected with water passage 4, arrange check-valves 8 at the outlet side of the pump 2 be connected with water passage 6, check-valves 7,8 connects by stream 9.Pressure cylinder 11 is connected on the direction intersected with stream 9, and in described pressure cylinder 11, the plunger 10 of pump 2 slides.
On the other hand, on the rotating shaft 12 be disposed near pump 2, be fixed with three yokes 16 be made up of actuating arm 13, plunger arm 14 and hold-down arm 15.Three yokes 16 can rotate integratedly in the clockwise direction and in counter clockwise direction centered by the axle center of rotating shaft 12.In addition, in this manual, in order to represent the moving direction of plunger 10 described later, the direction that three yokes 16 are rotated counterclockwise being set to reach direction, moving direction to be described after the direction turned clockwise is set to.
Actuating arm 13 is linked to the cam 18 as driver part via the cam follower 17 of the end being arranged at actuating arm 13.Cam 18 is formed as having drop H between the peak 18A and minimum point 18B of cam surface.Cam 18 such as by the driving mechanisms such as motor (not shown), along shown in arrow clockwise direction rotate, via cam follower 17, can make actuating arm 13 reach direction and after the side of moving rotate up.
At the end of actuating arm 13, be provided with the bar 19 outstanding to the direction different from actuating arm 13.Bar 19 projects to the position opposed with retainer 20, can abut with retainer 20.Retainer 20 moves on direction and configures after actuating arm 13, and be arranged on and be fixed on the bracket 21 of not shown framework, extrusion position can regulate.The adjustment of the extrusion position of retainer 20 can move the rotation amount in direction by adjusting lever 19 backward, and namely actuating arm 13 moves the rotation amount in direction backward.In addition, retainer 20 also plays the effect of shock absorber.
The end of plunger arm 14 can link with one end of connecting rod 22 rotatably, and the other end and the plunger 10 of connecting rod 22 link.Therefore, when actuating arm 13 rotates up in reach side by cam 18, plunger 10 can be moved forward (right of Fig. 1) via connecting rod 22 by plunger arm 14.Plunger 10 makes in pressure cylinder 11 and stream 9 by reach to be negative pressure, to open check-valves 7, the water of tank 3 can be sucked into (with reference to Fig. 2) in stream 9 and pressure cylinder 11.
At actuating arm 13 place, the length at axle center to the center of the cam follower 17 of the driving force of undertaking cam 18 from rotating shaft 12 is set to L1.At plunger arm 14 place, the length at the link center from the axle center of rotating shaft 12 to plunger arm 14 and connecting rod 22 is set to L2.In the present embodiment, the length L2 of the length L1 of actuating arm 13 and plunger arm 14 is set to equal length.In addition, as other example, also length L1 and length L2 can be set to different length.
On hold-down arm 15, the keeper 24 of the one end keeping helical spring 23 is installed.The installed surface 15A of hold-down arm 15 installing keeper 24 is formed as the arc surface of the fixed part of helical spring 23 and rod 28 as the center of radius of curvature.Therefore, even if carry out the adjustment of the installation site of keeper 24 described later, the characteristic of helical spring 23 also keeps constant.Keeper 24 is moved by the length direction of release bolt 25 to hold-down arm 15, can change installation site, by the position after change tights a bolt 25, keeper 24 can be fixed on hold-down arm 15.In addition, on hold-down arm 15, for ease of setting the installation site of keeper 24, scale S1, S2, S3, S4 of the installation site representing keeper 24 is formed with.Scale S1, S2, S3, S4 are formed as the marking of wire.In addition, in FIG, keeper 24 is installed on the position of scale S3.
Helical spring 23 is made up of the extension spring with set spring constant.One end of helical spring 23 is fixed with the form screwing in holding member 27, and described holding member 27 can be installed on keeper 24 with dallying by screw element 26.The other end of helical spring 23 is fixed to screw in the form of processing the threaded head of excellent 28.The rod 28 through brackets 29 that can be installed on framework (not shown) rotatably, the nut 31 by fixing two nuts 30 and stop is fixed on bracket 29.Rod 28 changes fixed position by loosen nut 30,31 on the length direction of rod 28, can change the initial load of helical spring 23.Therefore, rod 28, nut 30,31 are configured for the spring pressure guiding mechanism of initial load changing helical spring 23.
Helical spring 23 as shown in Figure 2, is stretched when hold-down arm 15 is rotated to reach direction by the rotation of cam 18, stores power.When cam follower 17 is through the peak 18A of cam 18, hold-down arm 15 and plunger arm 14 move direction backward by the power stored by helical spring 23 and rotate, and move after plunger 10.Plunger 10, by the water pressurization in pressure cylinder 11, so the pressure (hydraulic) water in pressure cylinder 11 opens check-valves 8, flow to water passage 6, is supplied to Weft insertion nozzle 5.
The relation of the helical spring 23 being installed on hold-down arm 15 and the plunger 10 being linked to plunger arm 14 is below described.The power be stored of helical spring 23 becomes the power putting on plunger 10, by the water pressurization in pressure cylinder 11.The power be stored reduces along with the recovery of helical spring 23, so the highest hydraulic pressure that the hydraulic pressure of pressure (hydraulic) water sprayed from Weft insertion nozzle 5 causes from the initial load by helical spring 23 reduces pressure in certain proportion.This decompression ratio is called the barometric gradient of pressure (hydraulic) water.
There is considerable influence from the carrying of barometric gradient to weft yarn of the pressure (hydraulic) water of Weft insertion nozzle 5 injection, be necessary that the kind of corresponding weft yarn sets suitable barometric gradient.In the past, general by changing helical spring spring constant, obtain the barometric gradient of the corresponding weft yarn used.In the present embodiment, being configured to can change barometric gradient when not changing spring constant, below the setting of the barometric gradient in present embodiment being described.
When cam follower 17 moves the drop H from the minimum point 18B to peak 18A of cam 18, helical spring 23 is represented to the displacement A of draw direction by formula (1).In addition, the length from the axle center of rotating shaft 12 to the application point X1 of the helical spring 23 on hold-down arm 15 is set to L3.
Formula (1)
。
The recruitment △ F of the power F stored by helical spring 23 is represented by formula (2).In addition, k is the spring constant of helical spring 23, and △ A is the recruitment of displacement A.
Formula (2)
。
If formula (1) is directed into formula (2), then constitutional formula (3).In addition, △ H is that the backward shift of cam follower 17 moves recruitment.
Formula (3)
。
The moment relative to rotating shaft 12 of the power F stored by helical spring 23 and the relation constitutional formula (4) of the moment relative to rotating shaft 12 of power P putting on plunger 10.
Formula (4)
。
From formula (4), the variable quantity △ P put in the power P of plunger 10 is represented by formula (5).
Formula (5)
。
If formula (3) is directed into formula (5), then constitutional formula (6).
Formula (6)
。
The variable quantity △ P putting on the power P of plunger 10 is equivalent to the barometric gradient of the pressure (hydraulic) water sprayed from Weft insertion nozzle 5, apparent from formula (6), depend on the ratio of the length L3 of the application point X1 of the helical spring 23 on the length L2 of plunger arm 14 and hold-down arm 15 square, to move recruitment △ H proportional with the backward shift of cam follower 17.Therefore, put on the variable quantity △ P of the power P of plunger 10, i.e. the barometric gradient of pressure (hydraulic) water, because length L2 does not change, so can by the change of length L3, the installation site namely changing helical spring 23 be changed.
Length from the axle center of rotating shaft 12 to scale S1 ~ S4 is the distance increased successively.To the length L3 of the application point X1 of the helical spring 23 at the installation site of the helical spring 23 shown in Fig. 1 and scale S3 place, be leave position far away, the axle center of rotating shaft 12.In order to compare, the helical spring 23 shown in Fig. 3 is installed on the position of scale S1.The length L5 of the application point X2 from the axle center of rotating shaft 12 to helical spring 23 is distance the shortest the installation site of corresponding scale S1 ~ S4.Therefore, the change of the installation site of helical spring 23 enables the length from the axle center of rotating shaft 12 to the application point of helical spring 23 change between scale S1 ~ S4.
The performance plot of the pressure (hydraulic) water changed due to the difference of the installation site of the helical spring 23 shown in Fig. 1 and Fig. 3 is represented in Fig. 5 (A).As shown in Figure 1, the helical spring 23 being installed on the position of scale S3 produces by the barometric gradient shown in PS1.If plunger 10 moved after starting in wefting insertion start time, i.e. time T1, the hydraulic pressure of the pressure (hydraulic) water then supplied from pump 2 to Weft insertion nozzle 5 sharply rises, the highest hydraulic pressure P1 is reached at time T2, after this, hydraulic pressure declines with the barometric gradient PS1 of the position of corresponding scale S3, in hydraulic pressure P2, be zero at time T3 hydraulic pressure.Move end after time T3 plunger 10, moment that wefting insertion terminates.
As shown in Figure 3, when be installed on scale S1 position helical spring 23, length L5 is less than the length L3 of the helical spring 23 of Fig. 1, diminishes with the ratio of length L2.Therefore, the displacement △ A of helical spring 23 reduces, and the variable quantity △ P putting on the power P of plunger 10 reduces, the barometric gradient as shown in PS2, in the change that specific pressure gradient PS1 is little.When helical spring 23 of Fig. 3, if start at time T1 wefting insertion, then pressure (hydraulic) water is the highest hydraulic pressure P1 identical with the helical spring 23 of Fig. 1 at time T2, but after this, hydraulic pressure can not decline significantly, reaches hydraulic pressure P3, terminates at time T4 wefting insertion.
In barometric gradient PS2, hydraulic pressure does not decline significantly, so the tractive force for weft yarn can be held in higher state, effective for the weft yarn being difficult to adapt to pressure (hydraulic) water.On the contrary, in barometric gradient PS1, hydraulic pressure declines fast from the highest hydraulic pressure P1, so more weak in early days for the tractive force of weft yarn, effective for the weft yarn being easy to adapt to pressure (hydraulic) water.
Fig. 4 represents and changes the water injector after initial load 1 relative to the helical spring 23 shown in Fig. 1.Rod 28, by loosening fixing nut 30 and the nut 31 of stop, can move freely on the length direction of rod 28 relative to bracket 29.In the example in fig. 4, rod 28 fastening nut 30 and nut 31 on the position moved to hold-down arm 15 side with the difference (L6<L4) of the outstanding length L6 shown in the outstanding length L4 shown in Fig. 1 and Fig. 4, be fixed on bracket 29.Therefore, helical spring 23 is in the state shortened than the situation of Fig. 1, and initial load is set as less.
When helical spring 23 of Fig. 4, as shown in Figure 5 (B), after the wefting insertion of time T1 starts, the hydraulic pressure being supplied to the pressure (hydraulic) water of Weft insertion nozzle 5 at time T2 in the highest hydraulic pressure P4.The highest hydraulic pressure P4 due to the initial load of helical spring 23 less, so in helical spring the highest hydraulic pressure P1 (with reference to Fig. 5 (A)) the low state be set to than Fig. 1.The helical spring 23 of Fig. 4 is installed on the position of scale S3, so barometric gradient PS1 does not change, the hydraulic pressure of pressure (hydraulic) water declines more significantly, reaches hydraulic pressure P5, terminates at time T3 wefting insertion.
In the 1st embodiment, only change the installation site of helical spring 23, changing the length L2 of plunger arm 14 and the ratio from the axle center of rotating shaft 12 to the length of the application point of helical spring 23, when not changing the spring constant of helical spring 23, the barometric gradient of pressure (hydraulic) water can be changed.Therefore, the corresponding weft yarn used, can set optimal barometric gradient simply.In addition, the initial load of helical spring 23, by means of only the operation of nut 30,31, just can change simply, and weft yarn kind and weaving width can be coordinated to set the highest hydraulic pressure of the pressure (hydraulic) water being supplied to Weft insertion nozzle 5 simply.
(the 2nd embodiment)
Fig. 6 represents the 2nd embodiment, adds identical Reference numeral for the structure identical with the 1st embodiment, omits detailed description.The installed surface 32A of the hold-down arm 32 of helical spring 23 is formed as plane by the 2nd embodiment.On hold-down arm 32, identically with the 1st embodiment, be formed with scale S1 ~ S4.In figure 6, the keeper 24 of one end of helical spring 23 is kept to be installed on the position of the scale S3 of hold-down arm 32.
Keep the rod 28 of the other end of helical spring 23 to be fixed on bracket 33 by the nut 31 of fixing nut 30 and stop, described bracket 33 is fixed in framework (not shown).Bracket 33 is made up of flat board, configures abreast with hold-down arm 32.In addition, be equipped with elongated hole 34 on the carriage 33, rod 28 through elongated holes 34, are fixed by nut 30,31.
Carry out the change of the installation site of the helical spring 23 relative to hold-down arm 32 as described below.Loosen the nut 25 of fixing keeper 24 and the nut 30,31 of hold-down bars 28.Keeper 24, helical spring 23 and rod 28 1 coexist on hold-down arm 32 and bracket 33 elongated hole 34 in mobile, be such as configured at the position (imaginary line with reference to helical spring 23) of scale S1.Keeper 24 tightens by bolt 25 position being fixed on scale S1.
Rod 28 is set to identical with the situation of the helical spring 23 represented by solid line from the outstanding length of bracket 33, is fixed on bracket 33 by tightening of nut 30,31.In addition, for ease of setting the outstanding length of rod 28, preferably on rod 28, scale (not shown) etc. is formed.In addition, preferably, on the carriage 33, the position that the scale S1 ~ S4 with hold-down arm 32 is consistent forms scale (not shown).
In the 2nd embodiment, the change of the initial load of helical spring 23, by after loosen nut 30,31, rod 28 is moved to the position of initial load that can obtain wishing along the length direction of rod 28, and fastening nut 30,31, can carry out simply.
2nd embodiment is the structure of the change by helical spring 23 to be moved in parallel the installation site of carrying out helical spring 23 relative to hold-down arm 32, but can change the barometric gradient of pressure (hydraulic) water when not changing helical spring spring constant.Therefore, the 2nd embodiment can obtain the action effect identical with the 1st embodiment.
The invention is not restricted to the scheme of aforementioned each embodiment, numerous variations can be carried out in the scope of aim of the present invention, can implement as described below.
(1) the 1st and the 2nd embodiment can carry out changing rear enforcement as following.The hold-down arm 15,32 of the 1st and the 2nd embodiment is configured to install, dismantle relative to rotating shaft 12.In textile mills, corresponding multiple weft yarn preserves the different hold-down arm of multiple length, namely in order to generate the hold-down arm corresponding to the barometric gradient of weft yarn with necessary length.When the weft yarn being used in water jet looms occurs to change, in order to generate the barometric gradient of the weft yarn after corresponding change, the hold-down arm of necessary length and former hold-down arm being changed, is fixed on rotating shaft 12, helical spring 23 is installed.In addition, as other modification, can be configured to, preserve with the state being separately installed with helical spring 23 on the multiple hold-down arms preserved, hold-down arm and the helical spring of the weft yarn after correspondence being changed together are changed.
(2) in the 1st and the 2nd embodiment, helical spring 23 is not limited to extension spring, also can be the structure using Compress Spring.
(3) in the 1st and the 2nd embodiment, also can be provided with plunger 10 on pump 2 before, in-migration stores up the 2nd helical spring structure of power.In this embodiment, be stored in helical spring 23 and the 2nd helical spring power puts on plunger 10, can by than the 1st and the higher pressure (hydraulic) water of the hydraulic pressure of the situation of the 2nd embodiment supply to Weft insertion nozzle.
(4) in the 1st and the 2nd embodiment, also can be configured to, using rotating shaft 12 as fixed axis, three yokes 16 can be installed on fixed axis rotatably.
Scale S1 ~ S2 shown in (5) the 1st and the 2nd embodiment is not limited to the marking of wire, also can replace with other the mark such as color, shape, word.
(6) in the 1st embodiment, the installed surface 15A of hold-down arm 15 also can be formed as the different flexure plane of radius of curvature.
(7) in the 1st and the 2nd embodiment, hold-down arm 15,32 also can be formed as described below.Hold-down arm 15,32 is formed by two parts, and parts are fixed on rotating shaft 12, and another parts can be installed slidably relative to described parts, and another parts described install helical spring 23.Helical spring 23 by by another parts described relative to a described members slides, the length from the axle center of rotating shaft 12 to the application point of helical spring 23 can be changed.
Description of reference numerals
1 water injector; 2 pumps; 3 tanks; 5 Weft insertion nozzles; 10 plungers; 11 pressure cylinders; 12 rotating shafts; 13 actuating arms; 14 plunger arms; 15,32 hold-down arms; 15A, 32A installed surface; 16 3 yokes; 18 cams (driver part); 23 helical springs; 24 keepers; 28 rods; 29,33 brackets; 34 elongated holes; L1 ~ L3, L5 length; The highest hydraulic pressure of P1, P4; PS1 ~ PS2 barometric gradient; S1 ~ S4 scale; X1, X2 application point.
Claims (6)
1. the water injector in a water jet looms, described water injector possesses the pump being connected to tank and Weft insertion nozzle by water passage, by driver part, the plunger of described pump is driven to reach direction, suck the water of described tank, described plunger is moved direction driving by power backward that store by helical spring, pressure (hydraulic) water is supplied to described Weft insertion nozzle, carries out wefting insertion by the pressure (hydraulic) water sprayed from described Weft insertion nozzle, it is characterized in that
Be arranged to rotate integratedly relative to same axle center by being linked to the actuating arm of described driver part, the plunger arm being linked to described plunger and described helical spring hold-down arm, by changing from described axle center to the length of described helical spring application point, change the barometric gradient of the pressure (hydraulic) water sprayed from described Weft insertion nozzle.
2. the water injector in water jet looms as claimed in claim 1, is characterized in that,
Described water injector is configured to, and by being arranged to move on the length direction of described hold-down arm by described helical spring application point, carries out the change from described axle center to the length of described helical spring application point.
3. the water injector in water jet looms as claimed in claim 2, is characterized in that,
The installed surface of described hold-down arm is formed as arc surface, and described installed surface installs described helical spring.
4. the water injector in water jet looms as claimed in claim 2 or claim 3, is characterized in that,
On described hold-down arm, be formed with the multiple scales representing described helical spring installation site.
5., as the water injector in the water jet looms in claims 1 to 3 as described in any one, it is characterized in that,
Possesses the spring pressure guiding mechanism changing described helical spring initial load.
6., as the water injector in the water jet looms in claims 1 to 3 as described in any one, it is characterized in that,
Described actuating arm, described plunger arm and described hold-down arm are made up of three yokes being fixed on rotating shaft, and described driver part is made up of the cam of the drop had from peak to minimum point, and described helical spring is made up of extension spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014145080A JP6248839B2 (en) | 2014-07-15 | 2014-07-15 | Water injection device for water jet loom |
| JP2014-145080 | 2014-07-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105297262A true CN105297262A (en) | 2016-02-03 |
| CN105297262B CN105297262B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510410686.6A Active CN105297262B (en) | 2014-07-15 | 2015-07-14 | Water injector in Hydraulic loom |
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| JP (1) | JP6248839B2 (en) |
| CN (1) | CN105297262B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929981A (en) * | 2017-03-06 | 2017-07-07 | 青岛海福机械制造有限公司 | A kind of water injector in water-jet loom |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2536680A1 (en) * | 1974-09-04 | 1976-03-18 | Elitex Zavody Textilniho | METHOD FOR ACTUATING PUMPS, IN PARTICULAR A GROUP OF PISTON PUMPS IN A LOOM AND DEVICE FOR CARRYING OUT THIS METHOD |
| US3976107A (en) * | 1974-04-18 | 1976-08-24 | Ruti Machinery Works Ltd. | Device for fluid insertion of the filling thread on a loom |
| US3977442A (en) * | 1974-04-09 | 1976-08-31 | Nissan Motor Co., Ltd. | Fluid pressure control device for shuttleless weaving loom |
| CN1162029A (en) * | 1996-03-21 | 1997-10-15 | 日产得克西斯株式会社 | Pump for water-jetting type textile machine |
| JPH10266950A (en) * | 1997-03-25 | 1998-10-06 | Hokuriku Seikei Kogyo Kk | Plunger pump for water jet room |
| JP2002235261A (en) * | 2001-02-06 | 2002-08-23 | Tsudakoma Corp | Weft-insertion pump for water-jet loom |
| CN1368568A (en) * | 2000-12-18 | 2002-09-11 | 株式会社丰田自动织机 | Water spray device of hydraulic picking machine |
| CN1789518A (en) * | 2004-12-14 | 2006-06-21 | 株式会社丰田自动织机 | Yarning device in water loom |
| CN102140723A (en) * | 2010-02-01 | 2011-08-03 | 株式会社丰田自动织机 | Water jet device of water jet loom |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6385683U (en) * | 1986-11-26 | 1988-06-04 | ||
| JPH08387Y2 (en) * | 1991-03-11 | 1996-01-10 | 株式会社豊田自動織機製作所 | Shedding device in loom |
| JPH07305247A (en) * | 1994-05-10 | 1995-11-21 | Yokoi Sangyo Kk | Method for controlling operation of spinning machinery and loom |
| JPH10168696A (en) * | 1996-12-16 | 1998-06-23 | Tsudakoma Corp | Heald frame controlling apparatus for loom |
| NL1025893C2 (en) * | 2004-04-07 | 2005-10-10 | Te Strake Textile B V | Water weaving device and a plunger pump for a water weaving device. |
-
2014
- 2014-07-15 JP JP2014145080A patent/JP6248839B2/en not_active Expired - Fee Related
-
2015
- 2015-07-14 CN CN201510410686.6A patent/CN105297262B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977442A (en) * | 1974-04-09 | 1976-08-31 | Nissan Motor Co., Ltd. | Fluid pressure control device for shuttleless weaving loom |
| US3976107A (en) * | 1974-04-18 | 1976-08-24 | Ruti Machinery Works Ltd. | Device for fluid insertion of the filling thread on a loom |
| DE2536680A1 (en) * | 1974-09-04 | 1976-03-18 | Elitex Zavody Textilniho | METHOD FOR ACTUATING PUMPS, IN PARTICULAR A GROUP OF PISTON PUMPS IN A LOOM AND DEVICE FOR CARRYING OUT THIS METHOD |
| CN1162029A (en) * | 1996-03-21 | 1997-10-15 | 日产得克西斯株式会社 | Pump for water-jetting type textile machine |
| JPH10266950A (en) * | 1997-03-25 | 1998-10-06 | Hokuriku Seikei Kogyo Kk | Plunger pump for water jet room |
| CN1368568A (en) * | 2000-12-18 | 2002-09-11 | 株式会社丰田自动织机 | Water spray device of hydraulic picking machine |
| JP2002235261A (en) * | 2001-02-06 | 2002-08-23 | Tsudakoma Corp | Weft-insertion pump for water-jet loom |
| CN1789518A (en) * | 2004-12-14 | 2006-06-21 | 株式会社丰田自动织机 | Yarning device in water loom |
| CN102140723A (en) * | 2010-02-01 | 2011-08-03 | 株式会社丰田自动织机 | Water jet device of water jet loom |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929981A (en) * | 2017-03-06 | 2017-07-07 | 青岛海福机械制造有限公司 | A kind of water injector in water-jet loom |
| CN106929981B (en) * | 2017-03-06 | 2021-01-29 | 嘉兴市海宇纺织有限公司 | Water spraying device in water-jet loom |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016020547A (en) | 2016-02-04 |
| CN105297262B (en) | 2017-04-12 |
| JP6248839B2 (en) | 2017-12-20 |
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